US1171380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Train-pipe coupling.
Assignee: W D L HELD
•
Filing: 1915-04-02
•
Granted: 1916-02-08
•
Expires: 1935-04-02
Abstract
No abstract record available.
Inventors
- 👤 Albert L Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:17
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/08; Y; Y10; Y10T; Y10T403/00; Y10T403/65; Y10T403/70; Y10T403/7005; Y10T403/7007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1919-02-07 | 1919-08-09 | 1920-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-02-07 | 1923-08-09 | 1924-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-02-07 | 1927-08-09 | 1928-02-08 | $7700.00 | Window Closed / Lapsed |